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Parasites > Nematodes 2 > Flashcards

Nematodes 2 Flashcards

1
Q

another name for syngamosis

A

gapeworm disease

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2
Q

cause of syngamosis

A

syngamus trachea

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3
Q

morphology of syngamus female

A

0.5-3cm long
reddish
cup shaped buccal capsule

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4
Q

morphology of syngamus male

A

0.5cm long
whitish with large shallowbuccal capsule

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5
Q

predilection site of syngamus

A

trachea

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6
Q

infection of syngamus

A

with larvated eggs, L3 or paratenic host

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7
Q

life cycle of syngamus

A

direct
PE2: L3 –> liver –> lungs –> trachea

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8
Q

host of syngamus

A

domestic fowl and game birds
turkey
pheasant
partridge

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9
Q

clinical signs of syngamus

A

head shaking
sneezing
dyspmoea
asphyxia or suffocation
subcut emphysema

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10
Q

faecal exam of syngamus

A

flotation

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11
Q

eggs of syngamus

A

70-100um long
ellipsoidal
thin shelled
opeculum at both ends
8-16 cells stage

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12
Q

paratenic host of syngamus

A

earthworm
snails

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13
Q

necropscopy of syngamus

A

wotm pairs
granulomas in trachea
tracheitis with excess of foamy, bloody mucus
petechia
haemorrhages
ordema
vicariant emphysema
bronchonpneumonia in lungs

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14
Q

another name for anclyostomatidosis

A

hookworm disease of carnivores

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15
Q

cause of anclyostomatidosis

A

a. caninum
a. tubaeforma
a. braziliense
unicaria stenocephala

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16
Q

morphology of anclyostomatidosis

A

0.3-3cm in length
red colour
anterior end of body is bent dorsally - hook like
large buccal capsule with paired teeth or chitinous cutting plates

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17
Q

eggs of anclyostomatidosis

A

strongyle type

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18
Q

predilection site of anclyostomatidosis

A

small intestine

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19
Q

life cycle of anclyostomatidosis

A

direct

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20
Q

ancylostomosis of carnivores

A

ancylostoma caninum
a. tubaeforme
a. braziliense
uncinaria stenocephala

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21
Q

morphology of ancylostoma caninum

A

3-3 teeth on plate at the dorsal part of the mouth opening

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22
Q

route of infection of ancylostoma caninum

A

transplacental
galactogen
percutan from ground

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23
Q

host of ancylostoma caninum

A

dogs

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24
Q

host of a. tubaeforme

A

cat

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25
Q

morphology of a. tubaeforme

A

3-3 teeth on the plate of the dorsal part of the mouth opening

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26
Q

route of infection of a. tubaeforme

A

percutan from the ground po

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27
Q

host of Uncinaria stenocephala

A

dog
cats

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28
Q

morphology of Uncinaria stenocephala

A

toothless plate on dorsal part of the mouth opening
no tooth on ventral part of buccal cavity

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29
Q

route of infection of Uncinaria stenocephala

A

po from ground

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30
Q

clinical signs of ancylostoma

A

asymptomatic
anaemia
bloody faeces
loss of condition
diarrhoea
circulatory collapse
dermatitis
agalactia
skin lesions in nursing bitches
resp signs

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31
Q

eggs of ancylostoma

A

55-95um long
thin shelled
4-8 cell stage

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32
Q

necroscopy of ancylostoma

A

anaemia
haemorrhages in jejunum and ileum

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33
Q

hookworm diseases of ruminants

A

bunostomum phlebotomum
b. trigonocephalum

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34
Q

b. phlebotomum host

A

cattle

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35
Q

b. trigonocephalum host

A

sheep
goat
wild ru

36
Q

clinical signs of bunostomum

A

asymptomatic
anaemia
diarrhoea with mucus and blood
cachexy
pruritus
dermatitis

37
Q

mophology of bunostomosis

A

cup shaped buccal capsule
2 ventrally cutting plates

38
Q

eggs of bunostomum

A

80-105um
thin shelled
4-8 cell stage

39
Q

necroscopy of bunostomum

A

haemorrhages in duodenum

40
Q

causes of trichostrongylidosis

A

haemonchus contortus
teladorsagia cicumcincta
ostertagia ostertafi
trichostrongylus axei
t. colubriformis
cooperia punctata
c. concophora
c. curticei
nematodirus helvetianus
n. filicollis
n. spathiger
n. battus

41
Q

morphology of haemonchus

A

1-3cm long
females are pied
white ovaries being spirally wound around the red intestine giving appearance of a barbers pole
-hypobiotic in glands of abomasu

42
Q

morphology of ostertagia, teladorsagia

A

1cm long
reddish-brown
tiny cervical papillae
hypobiotic in glands of abomasum

43
Q

morphology of trichostrongylus

A

<1cm long
pinkish
swollen head due to small cephalic vesicle
will moult in mucosa of the small intestine

44
Q

morphology of nematodirus

A

1-2.5cm long
the anterior half of worms thinner than posterior
small striated cephalic vesicle
long spicules
tips fused together and doubled bursal rays in males
will moult in mucosa of the small intestine

45
Q

predilection site of h. placei

A

abomasum of cattle

46
Q

predilection site of tr. axei

A

abomasum of cattle
stomach of horse and donkey

47
Q

predilection site of h. contortus

A

abomasum of sheep and goat

48
Q

predilection site of teladorsagia circumcincta

A

abomasum of sheep and goat

49
Q

predilection site of tr. axei

A

abomasum of sheep and goat

50
Q

predilection site of c. punctata

A

small intestine of cattle

51
Q

predilection site of c. oncophora

A

small intestine of cattle

52
Q

predilection site of n. helvetianus

A

small intestine of cattle

53
Q

predilection site of tr. colubriformis

A

small intestine of sheep and goat

54
Q

predilection site of c. oncophora

A

small intestine of sheep and goat

55
Q

predilection site of c. curticei

A

small intestine of sheep and goat

56
Q

predilection site of n. filicollis

A

small intestine of sheep and goat

57
Q

predilection site of n. spathiger

A

small intestine of sheep and goat

58
Q

predilection site of n. battus

A

small intestine of sheep and goat

59
Q

life cycle of trichostrongylidosis

A

direct

60
Q

hosts of trichostrongylidosis

A

domestic and wild ru

61
Q

cooperia morphology

A

swollen head dye to cephalic vessicle
watch spring posture

62
Q

prepatent period of trichostrongylidosis

A

2-4 weeks

63
Q

prepatent period of osteragia spp

A

8-16days

64
Q

acute haemonchosis clinical signs

A

anaemia
dark coloured faeces
submandibular oedema
weakness

65
Q

ostertagiosis clinical signs

A

profuse, watery diarrhoea with putrid smell
dehydration
loss of appetite
weight and production
weakness

66
Q

trichostrongylosis, cooperiosis, nematodirosis clinical signs

A

severe, black, haemorrhagic diarrhoea

67
Q

trichostrongyle type eggs

A

60-110um long
thin shelled
8-16 cell stage

68
Q

necroscopy findings of trichostrongylidosis

A

haemorrhagic gastritis
hyperaemic abomasa and small intestinal mucosa
villous atrophy
erosion of mucosa
nodules
worms in abomasum or small intestine

69
Q

cause of hyotrongylosis

A

hyostrongylus rubidus

70
Q

morphology of hyostrongylus rubidus

A

0.4-1cm long
thin
reddish with small cephalic vesicle

71
Q

predilection site of hyostrongylus rubidus

A

attached to the gastric mucosa
embedded in catarrhal exudate

72
Q

life cycle of hyostrongylus rubidus

A

direct

73
Q

hosts of hyostrongylus rubidus

A

pig
wild boar
rabbit
guinea pig

74
Q

clinical signs of hyostrongylus rubidus

A

asymptomatic

75
Q

eggs of hyostrongylus rubidus

A

strongyle type eggs

76
Q

necropscopy of hyostrongylus rubidus

A

hypertrophic, ulcerative acute gastritis
chronic cattarhal croupous diphthertic gastritis
thickened stomach wall

77
Q

another name for gizzard worm disease

A

amidostomosis

78
Q

cause of amidostomosis

A

aminodostomum anseris

79
Q

morphology of aminodostomum anseris

A

1-2.5cm long
bright red
shallow buccal capsule

80
Q

predilection site of adults of aminodostomum anseris

A

under horny lining of the gizzard on mucosa
close to junction with proventriculus

81
Q

life cycle of aminodostomum anseris

A

direct
L1 develops in water

82
Q

prepatent period of aminodostomum anseris

A

12-21 days

83
Q

hosts of aminodostomum anseris

A

gooslings
ducklings
young aquatic fowls

84
Q

clincal signs of aminodostomum anseris

A

apathy
anaemia
emaciation
diarrhoea

85
Q

eggs in aminodostomum anseris

A

100um long
ellipsoidal
thin shelled
32 cell or morula stage

86
Q

necroscopy finding of aminodostomum anseris

A

horny lining of gizzard is softened or loosened
dark red fold or cream like catarhal inflammation and haemorrhages on mucosa of the gizzard

Parasites (9 decks)

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